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High7.5F5

High [CVE-2021-23010] BIG-IP: On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and 12.1.x before…

This high-severity F5 advisory covers CVE-2021-23010 affecting BIG-IP, Advanced WAF, ASM.

CVE-2021-23010 Published May 10, 2021Updated by vendor Jun 17, 2026
Related products & platforms
F5BIG-IP
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Summary

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and 12.1.x before 12.1.5.3, when the BIG-IP ASM/Advanced WAF system processes WebSocket requests with JSON payloads using the default JSON Content Profile in the ASM Security Policy, the BIG-IP ASM bd process may produce a core file.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected versions
  • 16.0.x
  • 15.1.x
  • 14.1.x
  • 13.1.x
  • 12.1.x

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 16.0.1.1
  • 15.1.2
  • 14.1.3.1
  • 13.1.3.5
  • 12.1.5.3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 16.0.1.1, 15.1.2, 14.1.3.1, 13.1.3.5, 12.1.5.3. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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